Page 1
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB90BC 41ADT90C063 Page 1 of 6
Brush And Trimmer Parts
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Page 2
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB90BC 41ADT90C063 Page 2 of 6
Brush And Trimmer Parts
Ref # Part Number Qty DescriptionS/P/F
1 791-182801 Throttle Housing and Trigger Assembly
2 791-182802 Throttle Trigger Lock-Out1 S
3 791-182803 Throttle Trigger1 S
4 791-182690 Throttle Trigger Spring1
5 791-182539 Switch Assembly (includes 6)1
6 791-182357 Throttle Cable Assembly1
7 791-610327 Harness Clip1
8 753-04344 Upper Drive Shaft Housing Assembly1 /P
9 791-181099 J-Handle Assembly (includes 10 & 11)1
10 n/a Grip1
11 n/a Tube Closure1
12 791-683295 Handle Bracket Assembly (includes 13-18)1
13 791-181811 Screw1
14 791-181812 Upper Handle Clamp1
15 791-181813 Middle Handle Clamp1
16 791-181814 Lower Handle Clamp1
17 791-181815 Nut1
18 791-145569 Anti-Rotation Screw1 /P
19 791-181980 Click-Link Coupler (includes 20-23)1
20 791-182057 Screw1
21 791-181617 Bolt1
22 791-181618 Adjustment Knob1 S
23 791-181886 Knob Retaining Nut1
24 791-180804 Lower Drive Shaft Housing Assembly1
25 791-613300 Lower Flexible Drive Shaft1
26 791-182200 Shield Mount Screw Assembly1
27 791-182193 2 piece Gearbox Assembly (includes 28-30)1 /P
28 791-182195 Gearbox Mounting Hardware1
29 791-145569 Anti-Rotation Screw1 /P
30 791-182196 Blade Driver1
31 791-147492 Blade Shield/Shield Mount1
32 791-683304 Shield Mounting Screw1
33 791-683299 Shield and Blade Assembly (includes 34)1
34 791-682061 Blade Assembly1
35 791-147490 Retaining Washer1
36 791-612483 Spool Shaft1
37 791-683301 Outer Spool and Eyelet Assembly1
38 791-612026 Retainer1
39 791-610636 Spring1 S
40 791-147495 Inner Reel1
41 791-180814 Bump Head Knob Assembly1 S
42 791-145873B 4-Tooth Blade1 /P
43 791-181699 Nut1 S
791-180014B Blade Retaining Kit (includes 35 & 43); Items
1 S
(includes 2-4)
1
not shown
791-613226 Locking Rod Tool1
791-682075 Shoulder Harness1 S
44 791-182191 Left Housing 2 Piece Gearbox Assembly
1 /P
Parts - Item 27
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Page 3
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB90BC 41ADT90C063 Page 3 of 6
Brush And Trimmer Parts
Ref # Part Number Qty DescriptionS/P/F
45 791-182192 Right Housing 2 Piece Gearbox Assembly
1 S
Parts - Item 27
46 791-182194 Pinion Gear Assembly 2 Piece Gearbox
47 791-182199 Output Shaft Bushing 2 Piece Gearbox
48 791-182198 Output Shaft Gear 2 Piece Gearbox
49 791-182197 Output Shaft Assembly (includes 46 & 47); 2
791-180120 Replacement Line, 0.095 Diameter Optional
791-147278 Reel and Line Assembly Optional Accessory;
791-147498 Bump Head Assembly (includes 36-41);
791-147543 Ryobi 2-Cycle Oil Optional Accessory; Items
1
Assembly Parts - Item 27
1
Assembly Parts - Item 27
1
Assembly Parts - Item 27
1
Piece Gearbox Assembly Parts - Item 27
1 S
Accessory; Items not shown
1 S
Items not shown
1 /P
Optional Accessory; Items not shown
1 S
not shown
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Page 4
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB90BC 41ADT90C063 Page 4 of 6
Engine Parts
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Page 5
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB90BC 41ADT90C063 Page 5 of 6
Engine Parts
Ref # Part Number Qty DescriptionS/P/F
1 753-1192 Air Cleaner/Muffler Cover Assembly
2 791-180350B Air Cleaner Filter1 /P
3 791-180351 Carburetor Mounting Screw Assembly1
4 753-1193 Choke Extension1 S
5 753-1194 Choke Plate1 S
6 753-1195 Carburetor Assembly W/Limiter Caps
7 791-610675 Carburetor Gasket1
8 791-181860 Carb Mount Screw1
9 791-181801 Primer and Hose Assembly1 S
10 791-182063 Carb Mount Assembly (includes 8)1 S
11 791-684451 Reed Assembly1
12 791-182790 Power Shaft Assembly1
13 753-1208 Carburetor Mount Gasket1 /P
14 791-182807 Crank Case Service Assembly (includes 10,
1
(includes 2 & 41)
1
(includes 7 & 18)
1 S
12 & 22)
15 791-612134 Rear Mounting Pad1
16 753-1198 Fuel Tank Assembly (includes 17-19)1 S
17 791-182612 Fuel Cap Assembly1 /P
18 791-181168 Fuel Return Line1 S
19 791-682039 Fuel Line Assembly1 /P
20 791-145308 Front Mounting Pad1
21 791-153520 Shroud Assembly1
22 791-181861 Shroud Screw1
23 791-182064 Shroud Extension and Stand1 S
24 791-181867 Flywheel Assembly1 S
25 791-181065 Spacer1
26 753-1199 Recoil Pulley Assembly1
27 791-613102 Recoil Spring1
28 753-1200 Rope Guide1
29 791-181441 Pulley Retainer1
30 791-181079 Pull Handle1 S
31 791-613102 Rope1
32 753-1201 Pressure Plate Assembly1 S
33 7531202 Plate Screw1
34 753-1203 Starter Housing Assembly (includes 26-31 &
35 791-181862 Housing Screw1 /P
36 791-182368 Clutch Washer1 S
37 791-182369 Clutch Rotor Assembly1 S
38 791-153592 Clutch Drum Assembly1 /P
39 791-612468 Spring1
40 753-1204 Clutch Cover Assembly (includes 41-44)1
41 791-181345 Cover Screw1 /P
42 791-182519 Anti-Rotation Screw1
43 753-04003 Clamping Screw1
44 791-180217 Clamping Nut1 S
45 791-182798 Wire Leads and Sleeve1
46 791-611063 Ground Tab1 /P
47 753-1205 Module Assembly1
1
41)
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Page 6
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB90BC 41ADT90C063 Page 6 of 6
Engine Parts
Ref # Part Number Qty DescriptionS/P/F
48 791-610311B Spark Plug1 /P
49 791-182066 Muffler Assembly (includes 50-52)1 S
50 791-182747 Spark Arrestor Screen1
51 791-182065 Exhaust Gasket1 S
52 791-147575 Muffler Mounting Bolt Assembly1
53 753-1206 Cylinder Assembly (includes 55)1 S
54 753-1207 Piston and Rod Assembly1 S
55 753-1197 Cylinder Gasket1
56 791-182723 Cylinder Bolt1
791-180090 O.E.M. Carburetor Repair Kit (Zama) Items
1
not shown
791-180091 Gasket Diaphragm Repair Kit (Zama) Items
753-1209 Piston Ring Set Items not shown1
753-1210 Short Block Assembly (includes 8, 12, 14,
791-610309 Crankcase Seal Items not shown1
791-181599 Clutch Springs (Qty. 2) Items not shown1
1
not shown
1 /P
22, 48, 51-56); Items not shown
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